YARN-656. In scheduler UI, including reserved memory in Memory Total can make it exceed cluster capacity. (Sandy Ryza)

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YARN-1046. Disable mem monitoring my default in MiniYARNCluster (Karthik Kambatla via Sandy Ryza)

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HADOOP-9858. Remove unused private RawLocalFileSystem#execCommand method from branch-2. Contributed by Chris Nauroth.

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HADOOP-8814. Merging change r1512510 from branch-2

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